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The review in outline of a single typic case must serve to illustrate the present topic.
J. B. J., male, student, aged 15 years, consulted me in October, 1896; wearing weak, minus compound cylindricals giving vision 6/6 in each eye. It was stated that the refraction had formerly been hyperopic and the progress of the myopia rapid; had been refracted some months previously at competent hands and no additional myopia had since developed. Glasses were left unchanged. Muscular tests, including tropometer, gave no indication of heterophoria. Ophthalmoscope shows slight striation with slightly heightened color. Asthenopic symptoms were very distressing. He complained chiefly of brow pain on use of the eyes in reading, which was accompanied by nervous depression of a disabling character. These symptoms, however, were absent during vacation periods. He had much difficulty in his school work, was backward in his classes, at least two years behind those with
THOMAS CH. VICIOUS READING DISTANCE AS A CAUSE OF ASTHENOPIA. JAMA. 1898;XXX(5):243–244. doi:10.1001/jama.1898.72440570011001e
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